package com.wnxy.portal;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import feign.Logger;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.SpringCloudApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

@SpringBootApplication
@EnableFeignClients  // 开启feign客户端注解支持
@EnableCircuitBreaker

//@SpringCloudApplication
public class PortalApplication {
    public static void main(String[] args) {
        SpringApplication.run(PortalApplication.class);
    }

    /**
     *此配置是为了服务监控而配置，与服务容错本身无关，springcloud升级后的坑
     *ServletRegistrationBean因为springboot的默认路径不是"/hystrix.stream"，
     *只要在自己的项目里配置上下面的servlet就可以了
     */
    @Bean
    public ServletRegistrationBean getServlet() {
        HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
        registrationBean.setLoadOnStartup(1);
        registrationBean.addUrlMappings("/hystrix.stream");
        registrationBean.setName("HystrixMetricsStreamServlet");
        return registrationBean;
    }


    @Bean
    @LoadBalanced
    public RestTemplate restTemplate(){
        return new RestTemplate();
    }

    //@Bean
    //public IRule rules(){
    //    return new RoundRobinRule();
    //}

    @Bean
    public Logger.Level loggerLevel(){
        return Logger.Level.FULL;
    }
}
